Ore reducing and refining furnace



H. L. CHARLES.

ORE REDUCING AND BEFINING FURNACE.

APPLICATION FILED NOV. 6, I9I7.

Patented Aug. 3, 1920.

3 SHEETS-SHEET I.

ATTORNEY H. L. CHARLES.

ORE REDUCING AND REFINING FURNACE.

APPLICATION FILED Nov. 6. I9I7.

1,348, 151. Patented Aug. 3,1920.

3 SHEES-SHEEI 2.

l/V VEN TUR 'Kcmh l 7 Afro/mfr H. L. CHARLES.

ORE REDUCING AND REFINING FURNACE.

APPLICATION FILED Nov. s, 1911.

1 348, 1 5 1 4 Patented Aug. 3, 1920.

3 SHEETS-SHEET d.

lin

/lV VEN TOI? UNITED STATES HENRY InfCHARLES, 0F BUTTE, MONTANA.

ORE REDUCING AND REFINING FURNACE.

To all whom rit may concern.'

Be it known that I, HENRY L. CHARLES, a citizen of the United States,residing at Butte, in the county of Silver Bow and State My inventionrelates to improvements in ore reducing or refining furnaces and has forone of its principal objects to provide means for bracing the roof ofthe furnace without the' use of buck-stays, rods and similar devicesheretofore generally employed. My invention also contemplates means forprotecting that part of the furnace where the ore is admitted andvarious other features hereinafter more particularly set forth.

In the accompanying drawings I have illustrated in Figure 1 in verticalcross-section with parts broken away a suitable application of myinvention. Fig. 2 is a longi- -tudinal section onA the line 2-2 of Fig.1, with parts broken away, and Fig. 3 is a plan view onthe line 3 3 ofFig. 1, parts being broken away, the monolithic material not beingshown.

4 indicates a suitable foundation, and 5--6 side walls of the furnace.v6 indicates the side wall of the next furnace arranged parallel in theusual manner. According to a preferred embodiment of my invention, thefoundation 4L is preferably continued upwardly between the `walls 5-6ofadjacent furnaces forming an abutment wall 7 as shown, therebyproviding a suitable platform such as 8 for the convenient operation ofthe furnaces. This abutment Wall 7 may be suitably reinforced by steelgirders Suc-h as S) and is preferably provided at opposite sides withrecesses or pockets 10 into` which the ends of the bolts 11 may project,said bolts having| heads 12 adapted to engage the plates 13of suitableWater cooling sections or boxes hereinafter more fully referred to.

The plates 13 are in turn reinforced or braced by the webs of steel 14which in turn bear against the walls of the water circulating chambers15 as shown.

The roof of the furnace preferably consists of a double row of bricks16-17 topped Specification of Letters Patent.

` Patented Aug. 3, 1920.

l .pplication led November 6, 1917. vSerial No. 200,614.

with a suitable covering of monolithic material or other suitablerefractory material 34. The water circulating chambers 15 are preferablysecured upon the outer margins of .thelower row of bricks and the lupperl layer of bricks and monolithic material preferably extend between thesame as shown. These water'circula-ting boxes are preferably providedwith an interior passage 1S sufficient to allow clearance for thenozzles 19 to feed theore from thehoppers 20. 21 indicates suitableuprights for supporting the superstructure 22, and 23-23 indicatesuitable hand controls for regulating the flow of the ore, said controlsbeing preferably located above and below the pivotal or ball and socketconnections 24.

From the foregoing it will be seen that as the furnace heats up, thenuts 25' may be loosened to allow for the expansion of the arched roof,the abutment wall 7 serving as a brace between the roofs of adjacentfurnaces, thus providing a convenient, laccessible and the strongestkind of construction for taking care of the expansion of the archedroofs without lthe necessity of using buck-stays, rods and similarappliances requiring attention at numerous places and which do not giveproper support to the side walls of the furnace. Suitable inlets andoutlets such as 26-27 may be provided for each of the water boxes atthesides of the furnaces to provide for the proper circulation of water andthese boxes are of course preferably connected in any suitable. mannerso as to provide for a continuous circulation throughout the entire setsof boxes employed.

Referring now more particularly to Fig.

2, it will be observed that at the front of the furnace instead ofemploying the usual brick stack, or flue I have illustrated a suitablewater jacketed iue or stack indicated by the reference character 28, thewater circulating therein being in communication with the boiler 29 fromwhich it may be used in the operation of the systems as may be desired.100

The nozzles 19 may be water jacketed, that is to say, the tube 30preferably ends at 31, and the nozzle 19 is preferably formed y ofconcentric tubes 19-19 between which water may be circulated through theinlets 105 such as 32-33.

i Of course it will be understood that furnaces, and hollow watercirculating boxes Various modifications may be made in the through whichsaid ore inlets may be shifted. 11, construction and arrangement ofparts with- In testimony whereof I hereunto effin my out departingfromthe spirit of the invensignature in the presence of two witnesses. v5tion as claimed. v l HENRY L. CHARLES.

I claim: Witnesses: In combination with a furnace of the ANNA F. DUFFY,class described, ore inlets at the sides of said THOMAS A. HILL.

